Why are IP and DHCP packets isolated when only Layer 2 isolation is configured on the switch

The Layer 2 isolation function isolates packets that are forwarded based on the MAC address table, while the Layer 3 isolation function isolates packets that are forwarded based on the routing table.

When IP and DHCP packets are transparently transmitted in the switch based on the MAC address table but not the routing table, Layer 2 isolation takes effect on IP and DHCP packets.

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